US may have millions more measles cases over next 25 years if childhood vaccination rates continue to decline, study says

Measles could become endemic in the United States if routine childhood vaccination rates continue to decline, with up to 51 million illnesses over a 25-year period, according to a new study.

​ Measles could become endemic in the United States if routine childhood vaccination rates continue to decline, with up to 51 million illnesses over a 25-year period, according to a new study. Read More Breaking News, Latest News and Videos | CNN